Happy Days (1974-84) generated an unprecedented seven spin-off shows. Which of these was NOT one of them?

Charles in Charge (1984-90) (like Joanie Loves Chachi) was a Scott Baio vehicle, but it wasn't related to Happy Days. Believe (or remember) it or not, "Mork" actually made his TV debut on Happy Days. Williams, who was still comedy busking for donations in the street at the time, was a last-minute substitute to play the alien in the "My Favorite Orkan" episode. Although virtually unknown at the time, Williams won the producers over when he sat on his head after being asked to take a seat during the audition. Mork was such a hit with audiences that the network created his own spinoff show. Nanu Nanu!

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